/*globals window,document,jQuery*/
/*
*
* Wijmo Library 1.5.0
* http://wijmo.com/
*
* Copyright(c) ComponentOne, LLC.  All rights reserved.
* 
* Dual licensed under the MIT or GPL Version 2 licenses.
* licensing@wijmo.com
* http://www.wijmo.com/license
*
* * Wijmo Dialog widget.
*
* Depends:
*	jquery.ui.core.js
*	jquery.ui.widget.js
*	jquery.ui.dialog.js
*	jquery.wijmo.wijutil.js
*
*/
(function($) {
    "use strict";
    var uiStateHover = "ui-state-hover", zonCSS = "wijmo-wijdialog-defaultdockingzone";

    $.widget("wijmo.wijdialog", $.ui.dialog, {
        options: {
            /// <summary>
            /// An object determines the caption buttons to show on wijdialog title bar. 
            /// Type: Object.
            /// Default: {}
            /// </summary>
            /// <remarks>
            /// The default value for this option is: 
            /// {
            /// pin: {visible: true, click: self.pin, 
            /// iconClassOn: "ui-icon-pin-w", iconClassOff:"ui-icon-pin-s"},
            /// refresh: {visible: true, click: self.refresh, 
            /// iconClassOn: "ui-icon-refresh"},
            /// toggle: {visible: true, click: self.toggle},
            /// minimize: {visible: true, click: self.minimize, 
            /// iconClassOn: "ui-icon-minus"},
            /// maximize: {visible: true, click: self.maximize, 
            /// iconClassOn: "ui-icon-extlink"},
            /// close: {visible: true, click: self.close, 
            /// iconClassOn: "ui-icon-close"}
            /// };
            /// Each button is represented by an object in this object. 
            /// property name: The name of the button.
            /// visible: A value specifies whether this button is visible.
            /// click: The event handler to handle the click event of this button.
            /// iconClassOn: Icon for normal state.
            /// iconClassOff: Icon after clicking.
            /// </remarks>
            captionButtons: {},
            /// <summary>
            /// A value determines the settings of the animation effect 
            /// to be used when the wijdialog is collapsed.
            /// Type: Object.
            /// Default: null.
            /// </summary>
            collapsingAnimation: null,
            /// <summary>
            /// A value determines the settings of the animation effect 
            /// to be used when the wijdialog is expanded.
            /// Type: Object.
            /// Default: null.
            /// </summary>
            expandingAnimation: null,
            /// <summary>
            /// A URL string specifies the URL for the iframe element inside wijdialog.
            /// Type: String.
            /// Default: "".
            /// </summary>
            contentUrl: "",
            /// <summary>
            /// A string specifies the ID of the DOM element to 
            /// dock to when wijdialog is minimized.
            /// Type: String.
            /// Default: "".
            /// </summary>
            minimizeZoneElementId: "",
            /// <summary>
            /// Buttoncreating event handler. 
            /// A function gets called before the caption buttons are created. 
            /// A user could use this event to change the array of the buttons to 
            /// change, add, or remove buttons from title bar. 
            /// The buttoncreating event handler is a function that gets called 
            /// before the caption buttons are created. 
            /// Type: Function 
            /// Default: null 
            /// Code example: 
            /// Supply a function as an option.
            /// $(".selector").wijdialog({ buttonCreating: function (e, data) { } });
            /// Bind to the event by type: wijdialogbuttoncreating
            /// $(".selector").bind("wijdialogbuttoncreating", function(e, data) { } );
            /// </summary>
            /// Parameters:
            /// <param name="e" type="Object">
            /// jQuery.Event object.
            /// </param>
            /// <param name="data" type="Object">
            /// Buttons array that will be created. 
            buttonCreating: null,
            /// <summary>
            /// The stateChanged event handler.
            /// A function called when the state ("minimized", "maximized", "normal") 
            /// of this dialog is changed.
            /// Default: null
            /// Type: Function
            /// Code example: 
            /// Supply a function as an option.
            /// $(".selector").wijdialog({ stateChanged: function (e, data) { } });
            /// Bind to the event by type: wijdialogstatechanged
            /// $(".selector").bind("wijdialogstatechanged", function(e, data) { } );
            /// </summary>
            /// <param name="e" type="Object">
            /// jQuery.Event object.
            /// </param>
            /// <param name="data" type="Object">
            /// The data relates to this event.
            /// data.originalState:The original state of the dialog
            /// data.state:The current state of the dialog
            /// </param>
            stateChanged: null,
            /// <summary>
            /// The stateChanged event handler.
            /// A function called when the dialog lose focus.
            /// Default: null
            /// Type: Function
            /// Code example: 
            /// Supply a function as an option.
            /// $(".selector").wijdialog({ blur: function (e, data) { } });
            /// Bind to the event by type: wijdialogstatechanged
            /// $(".selector").bind("wijdialogblur", function(e, data) { } );
            /// </summary>
            /// <param name="e" type="Object">
            /// jQuery.Event object.
            /// </param>
            /// <param name="data" type="Object">
            /// The data relates to this event.
            /// data.el: The DOM element of this dialog.
            /// </param>
            blur: null
        },

        _create: function() {
            var self = this,
				o = self.options;
            $.ui.dialog.prototype._create.apply(self, arguments);
            self.uiDialog.addClass("wijmo-wijdialog");
            self._initWijWindow();
            self._bindWindowResize();
            self._attachDraggableResizableEvent();
            self.originalPosition = self.options.position;
            self.isPin = false;
            //Add for support disabled option at 2011/7/8

            //end for disabled option
        },

        _init: function() {
            var self = this, o = self.options;
            $.ui.dialog.prototype._init.apply(self, arguments);
            if (o.disabled) {
                self.disable();
            }
        },

        _handleDisabledOption: function(disabled, ele) {
            var self = this;

            if (disabled) {
                if (!self.disabledDiv) {
                    self.disabledDiv = self._createDisabledDiv();
                }
                self.disabledDiv.appendTo("body");
            }
            else if (self.disabledDiv) {
                self.disabledDiv.remove();
                self.disabledDiv = null;
            }
        },

        _createDisabledDiv: function() {
            var self = this,
            //Change your outerelement here
				ele = self.uiDialog,
				eleOffset = ele.offset(),
				disabledWidth = ele.outerWidth(),
				disabledHeight = ele.outerHeight();

            return $("<div></div>")
						.addClass("ui-disabled")
						.css({
						    "z-index": "99999",
						    position: "absolute",
						    width: disabledWidth,
						    height: disabledHeight,
						    left: eleOffset.left,
						    top: eleOffset.top
						});
        },

        destroy: function() {
            var self = this;

            //Add for support disabled option at 2011/7/8
            if (self.disabledDiv) {
                self.disabledDiv.remove();
                self.disabledDiv = null;
            }
            //end for disabled option

            $.Widget.prototype.destroy.apply(self, arguments);
        },

        _attachDraggableResizableEvent: function() {
            var self = this, uiDialog = self.uiDialog, o = self.options;
            if (o.draggable && uiDialog.draggable) {
                uiDialog.bind("dragstop", function(event, ui) {
                    self._saveNormalState();
                    self._destoryIframeMask();
                }).bind("dragstart", function(event, ui) {
                    self._createIframeMask();
                });
            }
            if (o.resizable && uiDialog.resizable) {
                uiDialog.bind("resizestop", function(event, ui) {
                    self._saveNormalState();
                    self._destoryIframeMask();
                }).bind("resizestart", function(event, ui) {
                    self._createIframeMask();
                });
            }
        },
        
        //fixed iframe bug.
        _createIframeMask: function() {
            var self = this;
            if (self.innerFrame) {
                self.mask = $("<div style='width:100%;height:100%;position:absolute;" +
                "top:0px;left:0px;z-index:" + ($.ui.dialog.maxZ + 1) + "'></div>")
                .appendTo(self.uiDialog);
            }
        },

        _destoryIframeMask: function() {
            var self = this;
            if (self.innerFrame && self.mask) {
                self.mask.remove();
                self.mask = undefined;
            }
        },

        _initWijWindow: function() {
            var self = this, isIn = true;
            self._createCaptionButtons();
            self._checkUrl();
            self.uiDialogButtonPane = $(".ui-dialog-buttonpane", self.uiDialog);

            self.uiDialog.bind("mousedown", function(event) {
                var el = event.target;
                if (!$.contains(self.element[0], el)) {
                    self.uiDialog.focus();
                }
            })
			.bind("mouseenter", function(event) {
			    isIn = true;
			})
			.bind("mouseleave", function(event) {
			    isIn = false;
			})
			.bind("focusout", function(event) {
			    var el = event.target, container = $(this);
			    if (!isIn) {
			        self._trigger("blur", event, {
			            el: self.element
			        });
			    }
			});
        },

        //		_setMinWidth:function(){
        //			var textWidth = $("#ui-dialog-title-dialog").width(),
        //			iconWidth = $(".wijmo-wijdialog-captionbutton:eq(0)")
        //			.width(),
        //			minWidth = textWidth + 
        //			$(".wijmo-wijdialog-captionbutton").length * iconWidth;
        //			self._setOption("minWidth",minWidth);
        //		},

        _checkUrl: function() {
            var self = this, o = self.options, url = o.contentUrl,
			innerFrame =
			$('<iframe style="width:100%;height:99%;" frameborder="0"></iframe>');
            if (typeof url === "string" && url.length > 0) {
                self.element.addClass("wijmo-wijdialog-hasframe");
                innerFrame.attr("src", url);
                self.element.append(innerFrame);
                self.innerFrame = innerFrame;
            }
            self.contentWrapper = self.element;
        },

        _setOption: function(key, value) {
            var self = this;
            $.ui.dialog.prototype._setOption.apply(self, arguments);
            if (key === "captionButtons") {
                // self._createCaptionButtons();
                // todo: reset captionButtons
            }
            //Add for support disabled option at 2011/7/8
            else if (key === "disabled") {
                self._handleDisabledOption(value, self.element);
            }
            //end for disabled option
            else if (key === "contentUrl") {
                if (self.innerFrame) {
                    self.innerFrame.attr("src", value);
                }
                else {
                    self._checkUrl();
                }
            }
        },

        _createCaptionButtons: function() {
            var captionButtons = [], self = this, o = self.options, i,
			buttons = {
			    pin: {
			        visible: true,
			        click: self.pin,
			        iconClassOn: "ui-icon-pin-w",
			        iconClassOff: "ui-icon-pin-s"
			    },
			    refresh: {
			        visible: true,
			        click: self.refresh,
			        iconClassOn: "ui-icon-refresh"
			    },
			    toggle: {
			        visible: true,
			        click: self.toggle,
			        iconClassOn: "ui-icon-carat-1-n",
			        iconClassOff: "ui-icon-carat-1-s"
			    },
			    minimize: {
			        visible: true,
			        click: self.minimize,
			        iconClassOn: "ui-icon-minus"
			    },
			    maximize: {
			        visible: true,
			        click: self.maximize,
			        iconClassOn: "ui-icon-extlink"
			    },
			    close: {
			        visible: true,
			        click: self.close,
			        iconClassOn: "ui-icon-close"
			    }
			},
			oCaptionButtons = o.captionButtons, uiDialogTitlebar = self.uiDialogTitlebar;
            uiDialogTitlebar
			.children(".ui-dialog-titlebar-close, .wijmo-wijdialog-captionbutton")
			.remove();

            $.each(buttons, function(name, value) {
                if (oCaptionButtons && oCaptionButtons[name]) {
                    $.extend(value, oCaptionButtons[name]);
                }
                captionButtons.push({ button: name, info: value });
            });
            self._trigger("buttonCreating", null, captionButtons);
            for (i = 0; i < captionButtons.length; i++) {
                self._createCaptionButton(captionButtons[i], uiDialogTitlebar);
            }
        },

        _createCaptionButton: function(buttonHash, uiDialogTitlebar, notAppendToHeader) {
            var self = this, buttonObject,
			buttonCSS = "wijmo-wijdialog-titlebar-" + buttonHash.button,
			button = uiDialogTitlebar.children("." + buttonCSS),
			info = buttonHash.info, buttonIcon = $("<span></span>");
            if (info.visible) {
                if (button.size() === 0) {
                    buttonIcon.addClass(
						"ui-icon " +
						info.iconClassOn
					)
					.text(buttonHash.button);
                    buttonObject = $('<a href="#"></a>')
					.append(buttonIcon)
					.addClass(buttonCSS + " ui-corner-all wijmo-wijdialog-captionbutton")
					.attr("role", "button")
					.hover(
						function() {
						    buttonObject.addClass(uiStateHover);
						},
						function() {
						    buttonObject.removeClass(uiStateHover);
						}
					)
					.click(function(event) {
					    if (buttonIcon.hasClass(info.iconClassOff)) {
					        buttonIcon.removeClass(info.iconClassOff);
					    }
					    else {
					        buttonIcon.addClass(info.iconClassOff);
					    }
					    if ($.isFunction(info.click)) {
					        info.click.apply(self, arguments);
					    }
					    return false;
					});
                    if (notAppendToHeader) {
                        return buttonObject;
                    }
                    else {
                        buttonObject.appendTo(uiDialogTitlebar);
                    }
                }
                self[buttonHash.button + "Button"] = buttonObject;
            }
            else {
                button.remove();
            }
        },

        pin: function() {
            ///	<summary>
            ///		Pins the wijdialog instance so that it could not be moved.
            ///	</summary>
            var uiDialog = this.uiDialog, drag = this.isPin;
            this._enableDisableDragger(!drag);
            this.isPin = !drag;
        },

        refresh: function() {
            ///	<summary>
            ///		Refreshes the iframe content in wijdialog.
            ///	</summary>

            var fr = this.innerFrame;
            if (fr !== undefined) {
                fr.attr("src", fr.attr("src"));
            }
        },

        toggle: function() {
            var self = this, buttonIcon = self.toggleButton.children("span");

            // TODO : toggle animation and event invoking.
            if (!self.minimized) {
                if (self.collapsed === undefined || !self.collapsed) {
                    self.collapsed = true;
                    if (!buttonIcon.hasClass("ui-icon-carat-1-s")) {
                        buttonIcon.addClass("ui-icon-carat-1-s");
                    }
                    self._collapseDialogContent(true);
                }
                else {
                    self.collapsed = false;
                    if (buttonIcon.hasClass("ui-icon-carat-1-s")) {
                        buttonIcon.removeClass("ui-icon-carat-1-s");
                    }
                    self._expandDialogContent(true);
                }
            }
        },

        _expandDialogContent: function(fireEvent) {
            var self = this, o = self.options, animationSetting = o.expandingAnimation;
            self.uiDialog.height("auto");
            if (fireEvent && animationSetting !== null) {
                self.contentWrapper.show(
				animationSetting.animated,
				animationSetting.options,
				animationSetting.duration,
				function(e) {
				    self.uiDialog.css("height", self._toggleHeight);
				    if ($.isFunction(animationSetting.callback)) {
				        animationSetting.callback(e);
				    }
				    self._enableDisableResizer(false);
				});
            }
            else {
                self.contentWrapper.show();
                self._enableDisableResizer(false);
                self.uiDialog.css("height", self.toggleHeight);
            }
        },

        _collapseDialogContent: function(fireEvent) {
            var self = this, o = self.options, animationSetting = o.collapsingAnimation;
            self._enableDisableResizer(true);
            self._toggleHeight = self.uiDialog[0].style.height;
            self.uiDialog.height("auto");
            if (fireEvent && animationSetting !== null) {
                self.contentWrapper.hide(
				animationSetting.animated,
				animationSetting.options,
				animationSetting.duration);
            }
            else {
                self.contentWrapper.hide();
            }

            self._enableDisableDragger(self.isPin);
        },

        _enableDisableResizer: function(disabled) {
            var dlg = this.uiDialog;
            dlg.resizable({ disabled: disabled });
            if (disabled) {
                dlg.removeClass("ui-state-disabled");
            }
        },

        _enableDisableDragger: function(disabled) {
            var dlg = this.uiDialog;
            dlg.draggable({ disabled: disabled });
            if (disabled) {
                dlg.removeClass("ui-state-disabled");
            }
        },

        minimize: function() {
            ///	<summary>
            ///		Minimizes wijdialog.
            ///	</summary>

            var self = this, dlg = self.uiDialog, o = self.options, miniZone = null,
			$from = $("<div></div>"), $to = $("<div></div>"), defaultZone, scrollTop, top,
			originalPosition, originalSize = {}, position, size = {},
			content = "uiDialog", originalState;
            //content has 2 value 'uiDialog' for normal content,'copy' for iframe
            //to resolve the issue that iframe reload when minimize.  

            //Only minimize from normal,maximized state
            if (!self.minimized) {

                originalPosition = self.uiDialog.position();
                originalSize.width = self.uiDialog.width();
                originalSize.height = self.uiDialog.height();
                originalState = self.getState();
                if (self.maximized) {
                    self.maximized = false;
                    self.restoreButton.remove();
                    //fixed bug can't minimize window when it's maximized
                    $(window).unbind(".onWinResize");
                }
                else { // minimize from normal state
                    if (self.collapsed) {
                        self._expandDialogContent(false);
                    }
                    self._saveNormalState();
                }
                // disable resizer
                self._enableDisableResizer(true);
                //hide content

                if (self.collapsed) {
                    self._collapseDialogContent(false);
                }

                $from.appendTo(document.body)
				.css({
				    top: self.uiDialog.offset().top,
				    left: self.uiDialog.offset().left,
				    height: self.uiDialog.innerHeight(),
				    width: self.uiDialog.innerWidth(),
				    position: "absolute"
				});

                self.contentWrapper.hide();
                if (self.uiDialogButtonPane.length) {
                    self.uiDialogButtonPane.hide();
                }
                // remove size restriction
                dlg.height("auto");
                dlg.width("auto");

                self._doButtonAction(self.minimizeButton, "hide");
                self._restoreButton(true, self.minimizeButton, "After");
                self._doButtonAction(self.pinButton, "hide");
                self._doButtonAction(self.refreshButton, "hide");
                self._doButtonAction(self.toggleButton, "hide");
                self._doButtonAction(self.maximizeButton, "show");

                if ($.browser.webkit) {
                    $(".wijmo-wijdialog-captionbutton", self.uiDialog).css("float", "left");
                }

                if (self.innerFrame) {
                    content = "copy";
                    self[content] = self.uiDialog.clone();
                    self[content].empty();
                    self.uiDialogTitlebar.appendTo(self[content]);
                }

                if (o.minimizeZoneElementId.length > 0) {
                    miniZone = $("#" + o.minimizeZoneElementId);
                }
                if (miniZone !== null && miniZone.size() > 0) {
                    miniZone.append(self[content]);
                }
                else {
                    defaultZone = $("." + zonCSS);
                    if (defaultZone.size() === 0) {
                        defaultZone = $('<div class="' + zonCSS + '"></div>');
                        $(document.body).append(defaultZone);
                    }
                    defaultZone.append(self[content])
					    .css("z-index", dlg.css("z-index"));
                }
                self[content].css("position", "static");
                self[content].css("float", "left");

                if ($.browser.msie && $.browser.version === '6.0') {
                    scrollTop = $(document).scrollTop();
                    top = document.documentElement.clientHeight -
					defaultZone.height() + scrollTop;
                    defaultZone.css({ position: 'absolute', left: "0px", top: top });
                }

                $to.appendTo(document.body)
				.css({
				    top: self[content].offset().top,
				    left: self[content].offset().left,
				    height: self[content].innerHeight(),
				    width: self[content].innerWidth(),
				    position: "absolute"
				});
                self.uiDialog.hide();
                if (self.innerFrame) {
                    self[content].hide();
                }
                $from.effect("transfer", {
                    to: $to,
                    className: "ui-widget-content"
                }, 100, function() {
                    $from.remove();
                    $to.remove();
                    self[content].show();
                    self.minimized = true;
                    position = self.uiDialog.position();
                    size.width = self.uiDialog.width();
                    size.height = self.uiDialog.height();
                    self._enableDisableDragger(true);
                    self._trigger('resize', null, {
                        originalPosition: originalPosition,
                        originalSize: originalSize,
                        position: position,
                        size: size
                    });
                    self._trigger("stateChanged", null, {
                        originalState: originalState,
                        state: "minimized"
                    });
                });
            }
        },

        _doButtonAction: function(button, action) {
            if (button !== undefined) {
                button.removeClass(uiStateHover);
                button[action]();
            }
        },

        maximize: function() {
            var self = this, w = $(window), originalPosition,
			originalSize = {}, position, size = {}, state;

            if (!self.maximized) {
                self._enableDisableDragger(false);
                originalPosition = self.uiDialog.position();
                originalSize.width = self.uiDialog.width();
                originalSize.height = self.uiDialog.height();
                // maximized from minimized state
                if (self.minimized) {
                    self.restore(); //bug in IE when minimize -> maximize -> restore
                }
                else {
                    if (self.collapsed) {
                        self._expandDialogContent(false);
                    }
                    self._saveNormalState();
                    state = "normal";
                }
                self.maximized = true;
                if (self.maximizeButton !== undefined) {
                    self.maximizeButton.hide();
                    self._restoreButton(true, self.maximizeButton, "Before");
                }

                if ($.browser.webkit) {
                    $(".wijmo-wijdialog-captionbutton").css("float", "");
                }

                self._onWinResize(self, w);
                if (self.collapsed) {
                    self._collapseDialogContent(false);
                }

                /// TODO : bind resize event.
                if (!self.collapsed) {
                    self._enableDisableDragger(true);
                }
                self.uiDialog.resizable({ disabled: true });
                self.uiDialog.removeClass("ui-state-disabled");

                position = self.uiDialog.position();
                size.width = self.uiDialog.width();
                size.height = self.uiDialog.height();
                self._trigger('resize', null, {
                    originalPosition: originalPosition,
                    originalSize: originalSize,
                    position: position,
                    size: size
                });

                if (state == "normal") {
                    self._trigger("stateChanged", null, {
                        originalState: "normal",
                        state: "maximized"
                    });
                }
            }
        },

        _bindWindowResize: function() {
            var self = this, w = $(window), top, scrollTop, defaultZone;
            w.resize(function() {
                if (self.maximized) {
                    self._onWinResize(self, w);
                }
            });

            //fixed ie 6 position:fixed
            if ($.browser.msie && $.browser.version === '6.0') {
                w.bind("scroll.wijdialog resize.wijdialog", function() {
                    if (self.minimized) {
                        scrollTop = $(document).scrollTop();
                        defaultZone = self.uiDialog.parent();
                        top = document.documentElement.clientHeight -
						defaultZone.height() + scrollTop;
                        defaultZone.css({ top: top });
                    }
                });
            }
        },

        _saveNormalState: function() {
            var self = this, dialog = self.uiDialog, ele = self.element;
            if (!self.maximized) {
                self.normalWidth = dialog.css("width");
                self.normalLeft = dialog.css("left");
                self.normalTop = dialog.css("top");
                self.normalHeight = dialog.css("height");

                self.normalInnerHeight = ele.css("height");
                self.normalInnerWidth = ele.css("width");
                self.normalInnerMinWidth = ele.css("min-width");
                self.normalInnerMinHeight = ele.css("min-height");
            }
        },

        _onWinResize: function(self, w) {
            self.uiDialog.css("top", w.scrollTop());
            self.uiDialog.css("left", w.scrollLeft());
            self.uiDialog.setOutWidth(w.width());
            self.uiDialog.setOutHeight(w.height());
            self._resizeDialog(self);
        },

        _restoreButton: function(show, button, position) {
            var self = this,
			buttonHash = { button: "restore", info: {
			    visible: show,
			    click: self.restore,
			    iconClassOn: "ui-icon-newwin"
			}
			},
			restore = self._createCaptionButton(buttonHash, self.uiDialogTitlebar, true);
            if (show) {
                restore["insert" + position](button);
                self.restoreButton = restore;
            }
        },

        restore: function() {
            /// <summary>
            ///		Restores wijdialog to normal size.
            /// </summary>

            var self = this, dlg = self.uiDialog, originalPosition, originalSize = {},
			position, size = {}, $from = $("<div></div>"), $to = $("<div></div>"),
			content = "uiDialog", state;
            //content has 2 value 'uiDialog' for normal content,'copy' for iframe
            //to resolve the issue that iframe reload when minimize on ff & webkit.  

            // restore form minimized state.
            if (self.minimized) {
                self.minimized = false;
                self._enableDisableDragger(false);
                if (self.innerFrame) {
                    content = "copy";
                    if (!self[content]) {
                        content = "uiDialog";
                    }
                }

                originalPosition = self[content].position();
                originalSize.width = self[content].width();
                originalSize.height = self[content].height();
                $from.appendTo(document.body)
				.css({
				    top: self[content].offset().top,
				    left: self[content].offset().left,
				    height: self[content].innerHeight(),
				    width: self[content].innerWidth(),
				    position: "absolute"
				});

                dlg.css("position", "absolute");
                dlg.css("float", "");
                if (!self.innerFrame) {
                    dlg.appendTo(document.body);
                }
                else {
                    self.uiDialogTitlebar.prependTo(dlg);
                    dlg.show();
                }

                self._enableDisableResizer(false);
                if (!self.isPin) {
                    self._enableDisableDragger(false);
                }
                self._restoreToNormal();
                self.contentWrapper.show();
                if (self.uiDialogButtonPane.length) {
                    self.uiDialogButtonPane.show();
                }
                $to.appendTo(document.body)
				.css({
				    top: self.uiDialog.offset().top,
				    left: self.uiDialog.offset().left,
				    height: self.uiDialog.innerHeight(),
				    width: self.uiDialog.innerWidth(),
				    position: "absolute"
				});

                self.uiDialog.hide();
                $from.effect("transfer", {
                    to: $to,
                    className: "ui-widget-content"
                }, 150, function() {
                    self.uiDialog.show();
                    position = self.uiDialog.position();
                    size.width = self.uiDialog.width();
                    size.height = self.uiDialog.height();
                    $from.remove();
                    $to.remove();
                    if (self.copy) {
                        self.copy.remove();
                    }
                    self._trigger('resize', null, {
                        originalPosition: originalPosition,
                        originalSize: originalSize,
                        position: position,
                        size: size
                    });

                    state = self.getState();

                    self._trigger("stateChanged", null, {
                        originalState: "minimized",
                        state: state
                    });
                });

                if (self.collapsed) {
                    self._collapseDialogContent();
                }
                self._doButtonAction(self.minimizeButton, "show");
                self._doButtonAction(self.restoreButton, "remove");
                self._doButtonAction(self.pinButton, "show");
                self._doButtonAction(self.refreshButton, "show");
                self._doButtonAction(self.toggleButton, "show");

                if ($.browser.webkit) {
                    $(".wijmo-wijdialog-captionbutton").css("float", "");
                }
            }
            else if (self.maximized) {
                self.maximized = false;
                originalPosition = self.uiDialog.position();
                originalSize.width = self.uiDialog.width();
                originalSize.height = self.uiDialog.height();
                $(window).unbind(".onWinResize");
                if (self.collapsed) {
                    self._expandDialogContent();
                }
                self._enableDisableResizer(false);
                if (!self.isPin) {
                    self._enableDisableDragger(false);
                }
                self._restoreToNormal();
                self.contentWrapper.show();
                if (self.collapsed) {
                    self._collapseDialogContent();
                }
                if (self.maximizeButton !== undefined) {
                    self.maximizeButton.show();
                    self._restoreButton(false, self.maximizeButton, "before");
                }
                position = self.uiDialog.position();
                size.width = self.uiDialog.width();
                size.height = self.uiDialog.height();
                self._trigger('resize', null, {
                    originalPosition: originalPosition,
                    originalSize: originalSize,
                    position: position,
                    size: size
                });
                state = self.getState();

                self._trigger("stateChanged", null, {
                    originalState: "maximized",
                    state: state
                });
            }
        },

        getState: function() {
            /// <summary>
            ///		Gets the state of this dialog, the possible values are: 
            //		"minimized", "maximized", "normal".
            /// </summary>
            var self = this;
            return self.minimized ? "minimized" :
			(self.maximized ? "maximized" : "normal");
        },

        reset: function() {
            /// <summary>
            ///		Resets the properties ("width" ,"height", "position") to their default values.
            /// </summary>
            var self = this;
            self.normalWidth = self.normalLeft =
			self.normalTop = self.normalHeight =
			self.normalInnerHeight = self.normalInnerWidth =
			self.normalInnerMinWidth = self.normalInnerMinHeight
			= undefined;
            self._setOption("position", self.originalPosition);
        },

        open: function() {
            var self = this, o = self.options;
            if (!self.innerFrame) {
                if (!self.minimized) {
                    $.ui.dialog.prototype.open.apply(self, arguments);
                    //					if (!self.maximized) {
                    //						self._restoreToNormal();
                    //					}
                }
                else {
                    self.uiDialog.show();
                }
            }
            else {
                self.innerFrame.attr("src", o.contentUrl);
                if (!self.minimized) {
                    $.ui.dialog.prototype.open.apply(self, arguments);
                }
                else {
                    self.uiDialogTitlebar.show();
                }
            }
            if (self.collapsed) {
                self._collapseDialogContent();
            }
            if (self.disabledDiv && o.disabled) {
                self.disabledDiv.show();
            }
        },

        close: function() {
            var self = this, o = self.options;
            if ($.ui.dialog.prototype.close.apply(self, arguments)) {
                if (self.innerFrame) {
                    self.innerFrame.attr("src", "");
                    if (self.minimized) {
                        self.uiDialogTitlebar.hide();
                    }
                }
                if (self.disabledDiv && o.disabled) {
                    self.disabledDiv.hide();
                }
            }
        },

        _resizeDialog: function(self) {
            self.options.width = self.uiDialog.width();
            self.options.height = self.uiDialog.height();
            self._size();
        },

        _restoreToNormal: function() {
            var self = this, dialog = self.uiDialog, ele = self.element;
            dialog.css("width", self.normalWidth);
            dialog.css("left", self.normalLeft);
            dialog.css("top", self.normalTop);
            dialog.css("height", self.normalHeight);

            ele.css("height", self.normalInnerHeight);
            ele.css("width", self.normalInnerWidth);
            ele.css("min-width", self.normalInnerMinWidth);
            ele.css("min-height", self.normalInnerMinHeight);

            self.options.width = self.uiDialog.width();
            self.options.height = self.uiDialog.height();
        }
    });

    $.extend($.ui.dialog.overlay, {
        height: function() {
            var scrollHeight,
				offsetHeight;
            // handle IE 6
            if ($.browser.msie) {
                scrollHeight = Math.max(
					document.documentElement.scrollHeight,
					document.body.scrollHeight
				);
                offsetHeight = Math.max(
					document.documentElement.offsetHeight,
					document.body.offsetHeight
				);

                if (scrollHeight < offsetHeight) {
                    return $(window).height() + 'px';
                } else {
                    return scrollHeight + 'px';
                }
                // handle "good" browsers
            } else {
                return $(document).height() + 'px';
            }
        },

        width: function() {
            var scrollWidth,
				offsetWidth;
            // handle IE 6
            if ($.browser.msie) {
                scrollWidth = Math.max(
					document.documentElement.scrollWidth,
					document.body.scrollWidth
				);
                offsetWidth = Math.max(
					document.documentElement.offsetWidth,
					document.body.offsetWidth
				);

                if (scrollWidth < offsetWidth) {
                    return $(window).width() + 'px';
                } else {
                    return scrollWidth + 'px';
                }
                // handle "good" browsers
            } else {
                return $(document).width() + 'px';
            }
        }
    });

} (jQuery));
